black = (0, 0, 0)
white = (1, 1, 1)
grey = (0.5, 0.5, 0.5)
red = (1, 0.25, 0.25)
green = (0.25, 1, 0.25)
blue = (0.2, 0.6, 1)
yellow = (1, 0.9, 0.2)
normal = (0.5, 0.5, 1)
orange = (1, 0.6, 0.2)
light_red = (1, 0.65, 0.65)
light_green = (0.75, 1, 0.75)
